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### Copyright (c) 2025 Freya Murphy <freya@freyacat.org>
include ../config.mk
.PHONY: build clean
.SILENT:
CFLAGS += -fPIC -mcmodel=large
USER=*
LIB=lib
BIN=bin
LINKER=../config/user.ld
CONFIG=../config.mk
TAR=initrd.tar
H_SRC = $(shell find include -type f -name "*.h")
LIBA_SRC = $(shell find $(LIB) -type f -name "*.S")
LIBA_OBJ = $(patsubst %.S,$(BIN)/%.S.o,$(LIBA_SRC))
LIBC_SRC = $(shell find $(LIB) -type f -name "*.c")
LIBC_OBJ = $(patsubst %.c,$(BIN)/%.o,$(LIBC_SRC))
USER_SRC = $(shell find $(USER) -maxdepth 0 -type f -name "*.c")
USER_OBJ = $(patsubst %.c,$(BIN)/%.o,$(USER_SRC))
USER_PROG = $(patsubst %.o,%,$(USER_OBJ))
build: $(BIN)/$(TAR)
clean:
rm -fr $(BIN)
$(BIN)/$(TAR): $(USER_PROG)
printf "\033[35m TAR \033[0m%s\n" $@
mkdir -p $(BIN)/initrd/bin
cp $(USER_PROG) $(BIN)/initrd/bin
tar cHf ustar $(BIN)/$(TAR) -C $(BIN)/initrd bin
rm -fr $(BIN)/initrd
$(LIBA_OBJ): $(BIN)/%.S.o : %.S $(H_SRC) $(CONFIG)
mkdir -p $(@D)
printf "\033[33m AS \033[0m%s\n" $<
$(CPP) $(CPPFLAGS) -o $@.cpp $<
$(AS) -o $@ $@.cpp
$(LIBC_OBJ): $(BIN)/%.o : %.c $(H_SRC) $(CONFIG)
mkdir -p $(@D)
printf "\033[34m CC \033[0m%s\n" $<
$(CC) -c $(CFLAGS) -o $@ $<
$(BIN)/libc.a: $(LIBA_OBJ) $(LIBC_OBJ)
@mkdir -p $(@D)
printf "\033[35m AR \033[0m%s\n" $@
$(AR) rcs $@ $(LIBA_OBJ) $(LIBC_OBJ)
$(USER_OBJ): $(BIN)/%.o : %.c $(H_SRC) $(CONFIG)
mkdir -p $(@D)
printf "\033[34m CC \033[0m%s\n" $<
$(CC) -c $(CFLAGS) -o $@ $<
$(USER_PROG): % : $(BIN)/libc.a %.o $(LINKER)
mkdir -p $(@D)
printf "\033[32m LD \033[0m%s\n" $@
$(LD) $(LDFLAGS) -T $(LINKER) -o $@ $@.o $(BIN)/libc.a
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